{"ScriptPreparationCode":null,"TestCases":[{"Name":"style.display = none","Code":"var element = document.getElementById(\u0022foo\u0022);\r\nvar i = 3000;\r\nwhile (i--) {\r\n\telement.style.display = \u0027none\u0027;\r\n\telement.style.display = \u0027block\u0027;\r\n}","IsDeferred":false},{"Name":"classList add hide","Code":"var element = document.getElementById(\u0022foo\u0022);\r\nvar i = 3000;\r\nwhile (i--) {\r\n\telement.classList.add(\u0022hide\u0022);\r\n\telement.classList.remove(\u0022hide\u0022);\r\n}","IsDeferred":false}]}